UniversalTime: better check for size on parse.

2019-10-27 17:10:01 +00:00 · 2019-10-27 17:10:01 +00:00 · a5e785c737
parent 65cfd8a9a5
commit a5e785c737
1 changed files with 3 additions and 1 deletions
--- a/lib/zip/extra_field/universal_time.rb
+++ b/lib/zip/extra_field/universal_time.rb
@ -35,8 +35,10 @@ module Zip

    def merge(binstr)
      return if binstr.empty?
+
      size, content = initial_parse(binstr)
-      size || return
+      return if !size || size <= 0
+
      @flag, mt, at, ct = content.unpack('Cl<l<l<')
      mt && @mtime ||= ::Zip::DOSTime.at(mt)
      at && @atime ||= ::Zip::DOSTime.at(at)